1. Main quality assurance materials for civil engineering: steel ex-factory certificate, experimental report, welding experimental report, covered electrode certificate, cement ex-factory certificate or report, brick ex-factory certificate and experimental report, waterproof material certificate and experimental report, component certificate, concrete block experimental report, mortar block experimental report, geotechnical experiment, piling record, foundation pit inspection record, structural hoisting, structural acceptance record, engineering concealed acceptance record, and intermediate.

2. Main quality assurance materials for mechanical and electrical equipment installation: certificates of major equipment and materials; Equipment installation records, electrical equipment insulation, grounding resistance test records, equipment experiments, pressure testing, adjustment records, equipment debugging records, concealed engineering acceptance records, etc. ;

3. Main quality assurance materials of building heating, sanitation and gas engineering: factory certificate of materials and equipment, strength of pipelines and equipment, records of weld inspection and leak test, records of system cleaning, records of irrigation, water supply and ball passing test of drainage pipelines, records of water retention of sanitary appliances, records of boiler drying, boiling and trial operation of equipment, etc.

4, other professional engineering quality assurance information see the requirements of the relevant file filing.

legal ground

People's Republic of China (PRC) building law

Seventh before the start of a construction project, the construction unit shall, in accordance with the relevant provisions of the state, apply to the construction administrative department of the people's government at or above the county level where the project is located for a construction permit; However, except for small projects below the quota determined by the administrative department of construction in the State Council.

According to the authority and procedures stipulated by the State Council, the construction project that has approved the commencement report will no longer receive the construction permit. Thirty-second construction project supervision should be based on laws, administrative regulations and relevant technical standards, design documents and construction scale contracts, on behalf of the construction unit to supervise the contractor in terms of project quality, construction period and the use of construction funds. If the supervisor thinks that the project construction does not meet the engineering design requirements, construction technical standards and contract stipulations, he has the right to ask the construction enterprise to correct it. If the engineering supervisor finds that the engineering design does not meet the quality standards of the construction project or the quality requirements agreed in the contract, he shall report to the construction unit and ask the design unit to correct it.